<template>
  <div>
    <!-- 导航面包屑 -->
    <el-breadcrumb>
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区 -->
    <el-card>
      <div id="main" style="width: 600px; height: 400px"></div>
    </el-card>
  </div>
</template>

<script>
import * as echarts from "echarts";
import _ from "lodash";
export default {
  data() {
    return {
       options: {
          title: {
            text: '用户来源'
          },
          tooltip: {
            trigger: 'axis',
            axisPointer: {
              type: 'cross',
              label: {
                backgroundColor: '#E9EEF3'
              }
            }
          },
          grid: {
            left: '3%',
            right: '4%',
            bottom: '3%',
            containLabel: true
          },
          xAxis: [
            {
              boundaryGap: false
            }
          ],
          yAxis: [
            {
              type: 'value'
            }
          ]
        }
    };
  },
 async mounted() {
  // 初始化echarts实例
    var myChart = echarts.init(document.getElementById("main"));
    // 获取数据
    const { data: res } = await this.$axios.get("reports/type/1");
    // 合并数据
   const result = _.merge(res.data, this.options);
    // 展示数据
    myChart.setOption(result);
  },
};
</script>

<style lang="less" scoped>
</style>